<template>
  <div class="login_container">
      <div class="login_box">
          <div class="avatar_box">
          <img src="../assets/logo.png" >
          </div>
          
        <el-form  label-width="0px" class="login_form" :model="loginform" :rules="loginformrules" ref="loginformref">
          <!-- 用户名 -->
            <el-form-item prop="username">
                <el-input  prefix-icon="iconfont icon-user" v-model="loginform.username"></el-input>
            </el-form-item> 
            <!-- 密码 -->
            <el-form-item prop="password">
                <el-input  prefix-icon="iconfont icon-3702mima" v-model="loginform.password" type="password"></el-input>
            </el-form-item> 
            <el-form-item class="btns">
                <el-button type="primary" @click="login">登录</el-button>
                <el-button type="info" @click="resetLoginForm">重置</el-button>
            </el-form-item> 
        </el-form>
      </div>
      
     
  </div>
</template>

<script>
export default {
  data(){
    return {
      // 登录表单的数据绑定对象
      loginform:{
        username:'admin',
        password:'123456'
      },
      loginformrules:{
        // 验证用户名
        username:[{ required: true, message: '请输入用户名', trigger: 'blur' },
            { min: 3, max: 10, message: '长度在 3 到 10 个字符', trigger: 'blur' }],
        // 验证密码
        password:[{ required: true, message: '请输入密码', trigger: 'blur' },
            { min: 6, max: 15, message: '长度在 6 到 15 个字符', trigger: 'blur' }]
      }
    }
  },
  methods:{
    //重置表单
    resetLoginForm(){
      console.log(this)
      this.$refs.loginformref.resetFields();
    },
    login(){
      this.$refs.loginformref.validate(async a=>{
            if(!a)return
            const result=await this.$http.post('login',this.loginform);
            let {data:res}=result
           if(res.meta.status!=200) return this.$message.error('登录失败');
           this.$message.success('登录成功');
           window.sessionStorage.setItem("token",res.data.token);
           this.$router.push('/home');
      })
    }
  }
};
</script>

<style lang="less" scoped>
.login_container {
  height: 100%;
  background-color: #2b4b6b;
}
.login_box {
  width: 450px;
  height: 300px;
  background-color: #fff;
  border-radius: 3px;
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
}
.avatar_box {
  height: 130px;
  width: 130px;
  border-radius: 50%;
  padding: 10px;
  box-shadow: 0 0 10px #ddd;
  position: absolute;
  left: 50%;
  transform: translate(-50%, -50%);
  background-color: #fff;
  img {
    width: 100%;
    border-radius: 50%;
    background-color: #eee;
  }
}
.btns{
  display: flex;
  justify-content: flex-end;
}
.login_form{
  position: absolute;
  width: 100%;
  bottom: 0;
  padding: 0 20px;
  box-sizing: border-box;
}
</style>